I will develop custom cross platform web and mobile apps turnkey

S
sergio_ilin
S
sergio_ilin
Sergio Ilin
develop custom cross platform web and mobile apps turnkey
develop custom cross platform web and mobile apps turnkey
Full Screen
develop custom cross platform web and mobile apps turnkeydevelop custom cross platform web and mobile apps turnkey

About this gig

Welcome to my gig! With over 10 years of experience in cross-platform web development, I deliver complete, high-quality products from scratch. 


What I offer:

Custom web & mobile application development

Full-stack coding using pure PHP, MySQL, and JavaScript

Experience with various CMS platforms

End-to-end service: from initial architecture and database design to deployment and promotion


Whether you need a sleek landing page, a business website, or a full-cycle turnkey project, I'm here to bring your vision to life. Let's build something great together!

  • Website type

    • Business

  • Programming language

    • HTML & CSS
    • JavaScript
    • PHP
    • jQuery
    • Vue.js

  • Website features

    • Marketing
    • Payment
    • Social media
    • Shipping
    • Analytics
    • Dashboard
    • Reviews
    • Landing page
    • Admin Panel
    • API integration
Respect third-party rights

Please be aware that it is against Fiverr's policies for sellers to include themes, templates, or any other elements that infringe third-party rights or applicable laws in the delivered work. Read more about in our Guide to Responsible Digital Creation.

Get to know Sergio Ilin

Sergio Ilin

Full stack senior software engineer

  • FromRussia
  • Member sinceAug 2026
  • Avg. response time1 hour

  • Languages

    Russian, English, Turkish, Spanish
I have been working in cross-platform web development, creating custom websites and applications using pure PHP, MySQL, and JavaScript, as well as working with various CMS platforms for over ten years. I specialize in full-cycle, turnkey products, managing everything from initial architecture and mobile app integration to final promotion and marketing.

My Portfolio

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